HARD
11th CBSE
IMPORTANT
Earn 100

Hydra does not prey on animals devoid of .

50% studentsanswered this correctly

Important Questions on Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)

HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>TEST QUESTIONS>Q 1
Pneumatophore of Physalia is bluish, but sail is crimson in colour.
HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>TEST QUESTIONS>Q 2
Corals are formed by members of class Scyphozoa.
HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>TEST QUESTIONS>Q 3
Gonads are ectodermal in Anthozoa.
HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>TEST QUESTIONS>Q 4
Obelia is trimorphic.
HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>TEST QUESTIONS>Q 5
Great barrier reef occurs near the coast of Australia.
HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>MULTIPLE CHOICE QUESTIONS>Q 1
Given below are the types of cells present in some animals. Each one is a specialised to perform a single function except: 
HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>MULTIPLE CHOICE QUESTIONS>Q 2
Which one of the following statements is incorrect? .
HARD
11th CBSE
IMPORTANT
Companion Biology Class 11>Chapter 9 - Phylum Cnidaria (or Coelenterata) and Ctenophora (or Acnidaria)>MULTIPLE CHOICE QUESTIONS>Q 3

Germ cells of Hydra develop from